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Cheap flights from Helena to Buenos Aires from $1,466

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Helena to Buenos Aires departing on 12/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
1:06 pm - 6:05 amHLN-EZE
36h 59m2 stops
Delta Logo
4:05 am - 10:30 pmEZE-HLN
22h 25m2 stops
$1,466Delta
Find Deal
Mon, Dec 8 - Thu, Dec 11
Delta Logo
1:06 pm - 6:05 amHLN-EZE
36h 59m2 stops
Delta Logo
11:55 pm - 10:30 pmEZE-HLN
26h 35m2 stops
$1,470Delta
Find Deal
Mon, Dec 8 - Fri, Dec 12
United Airlines Logo
6:30 am - 7:20 amHLN-EZE
20h 50m2 stops
United Airlines Logo
11:55 pm - 9:31 pmEZE-HLN
49h 36m2 stops
$1,542United Airlines
Find Deal
Fri, Dec 12 - Mon, Dec 22
United Airlines Logo
6:10 am - 9:20 amHLN-EZE
47h 10m2 stops
United Airlines Logo
10:05 pm - 1:45 pmEZE-HLN
19h 40m2 stops
$1,792United Airlines
Find Deal
Thu, Dec 18 - Thu, Dec 25
Delta Logo
5:30 am - 9:00 amHLN-EZE
23h 30m2 stops
Delta Logo
4:05 am - 10:30 pmEZE-HLN
22h 25m2 stops
$2,489Delta
Find Deal
Thu, Dec 18 - Wed, Dec 24

United Airlines flights from Helena to Buenos Aires Ministro Pistarini Airport

Our best United Airlines deals on Helena to Buenos Aires Ministro Pistarini Airport flight tickets
United Airlines
Dec 12
HLN6:30 amHelena
20h 50m
2 stops
EZE7:20 amBuenos Aires Ministro Pistarini
Dec 22
EZE11:55 pmBuenos Aires Ministro Pistarini
49h 36m
2 stops
HLN9:31 pmHelena
$1,542
Find similar
United Airlines
Dec 18
HLN6:10 amHelena
47h 10m
2 stops
EZE9:20 amBuenos Aires Ministro Pistarini
Dec 25
EZE10:05 pmBuenos Aires Ministro Pistarini
19h 40m
2 stops
HLN1:45 pmHelena
$1,792
Find similar

Delta flights from Helena to Buenos Aires Ministro Pistarini Airport

Our best Delta deals on Helena to Buenos Aires Ministro Pistarini Airport flight tickets
Delta
Dec 8
HLN1:06 pmHelena
36h 59m
2 stops
EZE6:05 amBuenos Aires Ministro Pistarini
Dec 11
EZE4:05 amBuenos Aires Ministro Pistarini
22h 25m
2 stops
HLN10:30 pmHelena
$1,466
Find similar
Delta
Dec 8
HLN1:06 pmHelena
36h 59m
2 stops
EZE6:05 amBuenos Aires Ministro Pistarini
Dec 12
EZE11:55 pmBuenos Aires Ministro Pistarini
26h 35m
2 stops
HLN10:30 pmHelena
$1,470
Find similar
Delta
Dec 18
HLN5:30 amHelena
23h 30m
2 stops
EZE9:00 amBuenos Aires Ministro Pistarini
Dec 24
EZE4:05 amBuenos Aires Ministro Pistarini
22h 25m
2 stops
HLN10:30 pmHelena
$2,489
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Helena to Buenos Aires Ministro Pistarini Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 4, 2025.
Use the filters below to find and compare flights from Helena to Buenos Aires Ministro Pistarini Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HelenaBuenos Aires

HLN - EZE

HLNEZE

Helena

Mon 12/8

1:06 pm-6:05 am

2 stops36h 59m

Buenos Aires Ministro Pistarini

Thu 12/11

4:05 am-10:30 pm

2 stops22h 25m

$1,466

HelenaBuenos Aires

HLN - EZE

HLNEZE

Helena

Mon 12/8

1:06 pm-6:05 am

2 stops36h 59m

Buenos Aires Ministro Pistarini

Fri 12/12

11:55 pm-10:30 pm

2 stops26h 35m

$1,470

HelenaBuenos Aires

HLN - EZE

HLNEZE

Helena

Fri 12/12

6:30 am-7:20 am

2 stops20h 50m

Buenos Aires Ministro Pistarini

Mon 12/22

11:55 pm-9:31 pm

2 stops49h 36m

$1,542

HelenaBuenos Aires

HLN - EZE

HLNEZE

Helena

Thu 12/18

6:10 am-9:20 am

2 stops47h 10m

Buenos Aires Ministro Pistarini

Thu 12/25

10:05 pm-1:45 pm

2 stops19h 40m

$1,792

HelenaBuenos Aires

HLN - EZE

HLNEZE

Helena

Thu 12/18

5:30 am-9:00 am

2 stops23h 30m

Buenos Aires Ministro Pistarini

Wed 12/24

4:05 am-10:30 pm

2 stops22h 25m

$2,489

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Helena to Buenos Aires Ministro Pistarini Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Helena to Buenos Aires Ministro Pistarini Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Helena to Buenos Aires Ministro Pistarini Airport (HLN to EZE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Helena to Buenos Aires Ministro Pistarini Airport

Direct flights

None
There are no direct flights from Helena to Buenos Aires Ministro Pistarini Airport. There are no popular flight routes from Helena to Buenos Aires Ministro Pistarini Airport.
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  • How far is Helena to Buenos Aires Ministro Pistarini by plane?

    The distance between Helena and Buenos Aires Ministro Pistarini is about 6528.1 mi. A reasonable flight in good conditions will take 20h 50m.

  • When did momondo last update prices for flights from Helena Airport to Buenos Aires Ministro Pistarini Airport?

    Prices for flights from Helena Airport to Buenos Aires Ministro Pistarini Airport were last updated today.

  • How old do you have to be to fly from Helena Airport to Buenos Aires Ministro Pistarini Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Helena Airport to Buenos Aires Ministro Pistarini Airport.

  • What documentation or ID do you need to fly to Buenos Aires Ministro Pistarini Airport?

    The travel and health documents required for your trip to Buenos Aires Ministro Pistarini Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Buenos Aires Ministro Pistarini Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • How do I get Price Alerts for flights from Helena to Buenos Aires Ministro Pistarini Airport?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Helena from Buenos Aires Ministro Pistarini Airport. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Helena to Buenos Aires Ministro Pistarini Airport with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Why use momondo?

Why should I use momondo to find a flight deal from Helena to Buenos Aires?

Finding the right flight to Buenos Aires from Helena is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Buenos Aires quick and easy, saving you time and money.

Can I find flights from Helena to Buenos Aires with flexible booking policies on momondo?

All flight searches from Helena to Buenos Aires on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Helena to Buenos Aires?

momondo helps you find the best flight between Helena and Buenos Aires by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Helena to Buenos Aires right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Buenos Aires from Helena. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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